Geostar GeoS-3, Manual

Page: 5 / 13

© R&D Center “GeoStar navigation” Ltd. 2012-12-25 5
2.
Technical Description
2.1.
Introduction
The Evaluation Board is the part of GeoS-3 Evaluation Kit that contains following items:

GLONASS/GPS Antenna

GeoSDemo
3
®
* PC-based Demo SW

GeoS-3 User Manual*.
* Downloadable from www.geostar-navigation.com .
2.2.
Overall View
1PPS output
USB port
POWER switch VDD_IO switch
ON/OFF pushbutton
nRESET pushbutton
PD pushbutton
GeoS-3
Antenna connector Backup battery switch Backup battery
Signal pads
Figure 1: General View
2.3.
Block Diagram
The board comprises following main parts:

GeoS-3 module

DC-DC voltage converters

USB port

Dual RS232-to-USB data converter

Voltage level translators